Australian Trailer Plug and Socket Wiring Diagrams

Australian Trailer Plug and Socket Wiring Diagrams main image Australian Trailer Plug and Socket Wiring Diagrams image

7 Pin Flat
The best!

All diagrams are as viewed from the Cable Side

12 Pin Flat
This is an extension of the 7 pin flat. The 7 pin flat plug will fit into a 12 pin flat socket and work perfectly.

All diagrams are as viewed from the Cable Side

 

Small 7 Pin Round (QLD)
Identifying: Plug size is similar to an Australian 10c coin. There is a noticeably larger gap between 1 and 6 on this plug, though some trailer places rotate this connector that the yellow is at the top. Socket and plug are keyed.

All diagrams are as viewed from the Cable Side

Large 7 Pin Round (VIC)
Identifying: Plug size is similar to an Australian 20c coin. Pins evenly spaced. Socket and plug are keyed.

All diagrams are as viewed from the Cable Side

 

Heavy Duty 7 Pin Round
Identifying: Plug size is similar to an Australian 50c coin. Earth is bigger pin. No key (other than oversized earth pin) on the socket or plug.

All diagrams are as viewed from the Cable Side